Beer, D. F. (1997). A guide to writing as an engineer. New York: John Wiley and Sons.
Stile di citazione ChicagoBeer, David F. A Guide to Writing As an Engineer. New York: John Wiley and Sons, 1997.
Citazione MLABeer, David F. A Guide to Writing As an Engineer. New York: John Wiley and Sons, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.